Shure SM31 vs PGA31: Which Microphone Is Best for Fitness Instructors?
Compare Shure SM31 vs PGA31 wireless headset mics for fitness instructors. Learn which microphone works best for indoor cycle, HIIT, yoga, and group fitness classes.

Fitness Audio is your only choice for audio products designed and built for the fitness industry. With sweat resistant microphones, anti-corrosion treated wireless mic transmitters, easy to use mixers, water proof aquatic mic systems, and accessories to outfit any fitness facility or instructors, we’ve got you covered. Our products are ‘fit for use’.
4.9 / 5.0
115 Reviews
We’ve changed the game, with the new, worlds-first MultiMic Fitness Headset Microphone! Basically, if the EMic plug fits, it will work! i.e Our ...
View full details4.83 / 5.0
6 Reviews
NO BELT PACK. FITNESS RATED DURABILITY. Transmitter and headset only. Built for fitness with a single SEALED on/off switch, coated circuit board, N...
View full details4.83 / 5.0
23 Reviews
Fitness Audio Sweat Barrier for Fitness Headset MicrophonesNot just for Hot/Bikram Yoga, these are perfect when you are teaching any class with the...
View full details5.0 / 5.0
5 Reviews
Exact replacement for E-mic fitness headset microphone adjustment band. The solution for the broken headbands on E-mic. Don’t waste a perfectly goo...
View full details4.83 / 5.0
6 Reviews
This is an additional transmitter for Fitness Audio UHF Wireless System. Use this UHF Transmitter for Fitness Audio U-Series Wireless System as an...
View full details4.69 / 5.0
16 Reviews
NO BELT PACK. FITNESS-RATED DURABILITY. Built for fitness with a single SEALED on/off switch, coated circuit board, NO BELT-WORN TRANSMITTER. 8 ch...
View full details5.0 / 5.0
5 Reviews
Let us introduce the Fitness Audio Wireless Headset Microphone Zippered Case. New from Fitness Audio! This zippered microphone case is a great plac...
View full details4.67 / 5.0
6 Reviews
Aerolink - Easily integrate wireless Bluetooth streaming into a new or existing Group Ex sound system. The included rack-mount kit makes installati...
View full details5.0 / 5.0
6 Reviews
The Extra Long EMic Fitness Rated Headset Microphone, with a 1/2" longer boom than the standard EMic Fitness Headset. This medium-use microphone is...
View full details5.0 / 5.0
2 Reviews
The Aeromic Fitness Headset Microphone is a superior head-worn microphone designed specifically for the fitness industry. Sweat Guaranteed for 7 cl...
View full details4.67 / 5.0
3 Reviews
The 16 channel Fitness Audio UHF Body Pack System with E-mic Fitness Headset Microphone is built for fitness (up to three non-consecutive classes ...
View full details4.5 / 5.0
2 Reviews
The Fitness Audio Mini-TX Transmitter Mounting Bracket is the perfect accessory for attaching your Mini-TX transmitter to your headset frame. This ...
View full detailsTRANSMITTER ONLY!Replacement transmitter for Fitness Audio Mini TX Microphone. This does not include the Emic-Mini-TX-Short Microphone. *Watch the ...
View full details5.0 / 5.0
1 Review
FA-110AC 12-Volt Power Supply for Fitness Audio Wireless Microphone Receivers. Compatible with U-Series UHF and V-Series VHF receivers. Works for V...
View full detailsThe Cyclemic Fitness Headset Microphone is the superior headworn microphone designed specifically for cycling/spin instructors 7 classes a day, 7 d...
View full details5.0 / 5.0
1 Review
The Fitness Audio SDR-5616 UHF U-Series 16 Channel Receiver. Need help figuring out your frequency? - see product image 4 Product highlights: 16 c...
View full detailsPrevent the crackles and extend the life of your wireless headset microphone system with eGloop. Works great on Cardio equipment or in any environm...
View full detailsGet special bundle pricing on this combination of the most sweat-resistant UHF transmitter built for fitness aerobics classes, coupled with our bes...
View full detailsSecurely mount your Fitness Audio wireless mic receiver in a rack and route the antennas to the front of the rack. This is the rackmount kit for t...
View full details4.75 / 5.0
4 Reviews
Antenna for Fitness Audio VHF Wireless Mic Receiver with threaded TNC connector. Can be used to replacement damaged antennas on Fitness Audio's VHF...
View full details5.0 / 5.0
3 Reviews
16-channel UHF Body Pack System with No Antenna Wire on the Body Pack! THE fitness microphone system. Built for fitness with a single power switch,...
View full detailsThe Aeromix 2+2SR Mixer was designed specifically for Fitness Instructors - limited number of knobs, yet gives instructors the ability to adjust as...
View full details
Save up to $10.00
Save $0.00
E-Mic Fitness Headset Microphone, Microphone Case and Windscreen Bundle
5.0 / 5.0
1 Review
Transform your fitness instruction with AV Now's E-Mic Fitness Headset Microphone, including a microphone case and windscreen bundle. This dynamic ...
View full detailsOriginal Replacement Part Wall Charger/Power Transformer for BaquaPak True-Waterproof submersible wireless microphone transmitter. Uses a military-...
View full details5.0 / 5.0
1 Review
Antenna for Fitness Audio UHF Wireless Microphone Receiver with a threaded connector. It can be used to replace damaged antennas on Fitness Audio's...
View full details5.0 / 5.0
1 Review
Fitness Audio FA-BPC replacement battery compartment cover for Fitness Audio Bodypack Transmitters. Fits either the V-Series Transmitter or the U-S...
View full detailsAeroLink Bluetooth Remote Antenna Extension and Pairing Button KitAntenna and pairing button extension kit with wall plate Decora-style insert (not...
View full details5.0 / 5.0
1 Review
Note this is the battery cover only!Add style to your fitness headset microphone with a pop of color! Choose your favorite color(s), also available...
View full details5.0 / 5.0
2 Reviews
The industry standard for fitness studio sound, now in a smaller format. The Little Brother to the Industry Standard for Fitness Mixers - Fitness A...
View full detailsNote this is the battery cover only!Add style to your Fitness Audio Mini-TX Fitness headset with a pop of color! Choose your favorite color(s), als...
View full details5.0 / 5.0
2 Reviews
Fit 500 Carry Bag is the perfect match for the Fit 500 Dynamo portable PA. Has extra pockets to carry everything you need. Shoulder strap included....
View full detailsNO BELT PACK. FITNESS-RATED DURABILITY. Ever wanted the EMic Mini-TX with a longer mic boom that extends out towards your mouth? This version feat...
View full detailsUse the Fitness Audio Replacement TA4F Cable with the Fitness Audio FM41 Fitness Headset Microphone and simply unscrew one cable and screw in the o...
View full detailsOnly intended for use with Fitness Audio U-Series microphone receivers! This kit can be used to remote mount the antennas of your Fitness Audio U...
View full detailsThe Trigger is a Sound Pressure level (SPL) Monitor that monitors the room sound level based on a user-definable db level setting. The Trigger is a...
View full details5.0 / 5.0
1 Review
The Fitness Audio light-use fitness headset with 4-pin connector for Fitness Audio or Shure transmitters is great for individual group fitness inst...
View full detailsEver wanted a system that allows instructors to choose between a bodypack microphone or a fully-wireless headset? We have finally created a system ...
View full detailsCharger for the Fit 750 Stage Pro or the Fit 1000 Challenger portable sound systems. Product details: Model: STD-24050 Output: 24V, 5A Includes on...
View full detailsCSAFE Short cable connects from the FA WES Receiver to the CSAFE socket on the Cardio Machine. Purchase with Receiver if the socket is at console l...
View full detailsThe 16 channel Fitness Audio UHF Body Pack System with FM41 Fitness Headset Microphone is built for fitness (up to 1 class per day) with a single o...
View full detailsThe FA-AL3-ANT antenna is a replacement component engineered for Fitness Audio Aerolink Bluetooth receivers. This specialized antenna provides opti...
View full detailsReplacement battery for the Fit 500 Focus Pro Portable PA. Note: this includes one battery only, the Fit 500 Focus Pro Portable PA is sold separate...
View full detailsFit 750 Carry Bag is the perfect match for the Fit 750 Portable PA. Has extra pockets to carry everything you need including the Fit750's charger, ...
View full detailsFitness Audio DX6-TF Digital Wireless Bodypack Transmitter Replacement • Backup • Team Teaching Ready Elevate your wireless performance wit...
View full detailsThe Fitness Audio Aerolink Magnetic Remote Antenna delivers reliable signal reception for wireless microphone systems in dynamic fitness environmen...
View full detailsCycleMic Fitness Headset Microphone for Fitness Audio UHF U-Series Designed for Heat. Built for Sweat. The CycleMic Fitness Headset Microphone is t...
View full detailsEnergy-efficient external switching mode 12V DC power supply, for use with Shure BLX4, BLX88, BLX4R, PGXD4. Compatible with Shure wireless systems,...
View full detailsThe Fitness Audio Charging Dock is designed for use with the Fitness Audio digital belt pack transmitter (sold separately). The perfect solution fo...
View full details
Compare Shure SM31 vs PGA31 wireless headset mics for fitness instructors. Learn which microphone works best for indoor cycle, HIIT, yoga, and group fitness classes.
Acoustic treatment helps gyms and fitness studios reduce echo, improve instructor clarity, and create a better member experience. Learn how wall panels, ceiling clouds, and corner treatments solve sound bounce issues when moving into a new space or upgrading an existing facility.
Visit Us at The HFA Show 2026 | San Diego
We’re excited to invite you to The HFA Show 2026, taking place March 16–18 in beautiful San Diego, California. Join us at Booth 610 to connect with our team and explore how our innovative AV solutions are designed to elevate health and fitness environments.
{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}